Home / 2,144,211.15-2,959,107.90-1,284,752.94

Finding the Fourth Proportional to 2,144,211.15, 2,959,107.90 and 1,284,752.94

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Solution

The fourth proportional to 2,144,211.15, 2,959,107.90 and 1,284,752.94 is: 1,773,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,211.15 : 2,959,107.90 = 1,284,752.94 : x
  2. Step 2: Convert to fraction form
    2,144,211.15/2,959,107.90 = 1,284,752.94/x
  3. Step 3: Cross multiply
    2,144,211.15x = 2,959,107.90 × 1,284,752.94
  4. Step 4: Simplify right side
    2,144,211.15x = 3,801,722,574,302.23
  5. Step 5: Solve for x
    x = 3,801,722,574,302.23/2,144,211.15
  6. Step 6: Final answer
    x = 1,773,016.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.